CH of masonry materials via meshless meso-modeling

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10 Citazioni (Scopus)


In the present study a multi-scale computational strategy for the analysis of masonry structures ispresented. The structural macroscopic behaviour is obtained making use of the Computational Homogenization(CH) technique based on the solution of the boundary value problem (BVP) of a detailed Unit Cell (UC) chosenat the meso-scale and representative of the heterogeneous material. The smallest UC is composed by a brickand half of its surrounding joints, the former assumed to behave elastically while the latter considered with anelastoplastic softening response. The governing equations at the macroscopic level are formulated in theframework of finite element method while the Meshless Method (MM) is adopted to solve the BVP at themesoscopic level. The work focuses on the BVP solution. The consistent tangent stiffness matrix at amacroscopic quadrature point is evaluated on the base of BVP results for the UC together with a localisationprocedure. Validation of the MM procedure at the meso-scale level is demonstrated by numerical examples thatshow the results of the BVP for the simple cases of normal and shear loading of the UC.
Lingua originaleEnglish
pagine (da-a)150-165
Numero di pagine16
Stato di pubblicazionePublished - 2014

All Science Journal Classification (ASJC) codes

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